Home / 31,769.63-47,644.48-11,503.81

Finding the Fourth Proportional to 31,769.63, 47,644.48 and 11,503.81

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Solution

The fourth proportional to 31,769.63, 47,644.48 and 11,503.81 is: 17,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,769.63 : 47,644.48 = 11,503.81 : x
  2. Step 2: Convert to fraction form
    31,769.63/47,644.48 = 11,503.81/x
  3. Step 3: Cross multiply
    31,769.63x = 47,644.48 × 11,503.81
  4. Step 4: Simplify right side
    31,769.63x = 548,093,045.47
  5. Step 5: Solve for x
    x = 548,093,045.47/31,769.63
  6. Step 6: Final answer
    x = 17,252.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.